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DataVisualisation:
Big Data’s Best Friend
Andy Cotgreave (@acotgreave)
Social Content Manager
Tableau
DataVisualisation:
Big Data’s Best Friend
Andy Cotgreave (@acotgreave)
Visual AnalyticsTrainer,
Tableau
Data visualisation big datas best friend
Our agenda
1. Data visualisation
isn’t new
Data visualisation is not new.
2.What is the value of
data visualisation?
Consider these numbers…
Property Value
Mean of x 9
Variance of x 11
Mean of y 7.5 (to 2 dp)
Variance of y 4.122 (to 3 dp)
Correlation 0.816 (3dp)
Linear regression y=3+.5x (3dp)
Consider these numbers…
Blue Orange
Green Red
3. Don’t fool your eyes!
The human visual system
Eye Brain
From the Texas School for the Blind andVisually Impaired
Change blindness
The answer…
Grey screen: explain
importance of
Change Blindness
Data visualisation big datas best friend
http://www.informationisbeautiful.net/visualizations/colours-in-cultures/
What colour do Asians
associate with Purity?
Data visualisation big datas best friend
4. Exploit the strengths
of your visual system
From the Texas School for the Blind andVisually Impaired
Data visualisation big datas best friend
Data visualisation big datas best friend
Data visualisation big datas best friend
Data visualisation big datas best friend
Data visualisation big datas best friend
Data visualisation big datas best friend
Data visualisation big datas best friend
5. Engage with value
not candy
Data visualisation big datas best friend
http://graphics-info.blogspot.hk/2012/09/malofiej-20-look-at-our-participation.html (Simon Scarr)
6.What’s your message?
http://graphics-info.blogspot.hk/2012/09/malofiej-20-look-at-our-participation.html
http://graphics-info.blogspot.hk/2012/09/malofiej-20-look-at-our-participation.html
Iraq: Deaths on the decline
Let’s see all of this in
action
DataVisualisation:
Big Data’s Best Friend

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Data visualisation big datas best friend